#include "int.h"

void Syatem_int()
{
	P0 = 0xff;
	P2 = P2 & 0X1F | 0X80;
	P2  &= 0X1F;
	
	P0 = 0x00;
	P2 = P2 & 0X1F | 0XA0;
	P2  &= 0X1F;



}